# What happened if you put the Elodea leaf cells in a solution of 0.5% NaCl,1.8% NaCl and 0.9%NaCl?

36,754 questions, page 163
1. ## ,math

what is the solution to -5(y+3)

asked by kattie on January 4, 2011
2. ## Algebra 1

What is the solution? use elimination . 4x-y=23 7x-y=21 a.(11,0) b.(4,-7) c.(11,44) d.(4,7)

asked by Sierra Elizabeth on January 5, 2016
3. ## Calculus

Which of the following is not a solution to the following equation? x^3-5x^2+4 = 0 x = 0 x = 4.83 x = -0.83 x = 1

asked by Alisha on September 24, 2015
4. ## Algebra

log(4)(3x + 4)^5 = 15 x = 20? And is this the only solution?

asked by Anonymous on December 16, 2014
5. ## math

what is the solution to 40 + (-11)? a. -51 b. -29 c. 29 d. 51 what is the value of -31 + 30? a. -61 b. -1 c. 1 d. 61 plz help!

asked by Anonymous on August 10, 2012
6. ## Inequality

What is the solution to the inequality -3x-42>3?

asked by Anonymous on May 12, 2016
7. ## chem

What is the pH of a 0.22 M solution of HClO4?

asked by val on December 6, 2012
8. ## Chem

6.6×10−3 M Ba(OH)2 and 1.00×10−2 M BaCl2 what is [OH-] of solution?

asked by Lilly on June 21, 2011
9. ## Math

What is the solution set of 4^(x^(2)-4x)=2^(-6)

asked by Leslie on February 4, 2012
10. ## Algebra I

4 - t = 3(t - 1) - 5 a. 3 b. 6 c. no solution d. identity A? 8x - 2(x + 1)= 2(3x - 1) a. 0 b. 2 c. no solution d. identity D? 3(c - 2)= 2(c - 6) a. 2 b. -6 c. no solution d. identity B? 0.5(m + 4) = 3(m - 1) a. -2 b. 2 c. no solution d. identity B?

asked by Anonymous on September 27, 2013
11. ## algebra2

What are the solution intervals for |2x – 1| + 6 > 9?

asked by Rayniya on November 21, 2010
12. ## algebra

is there a solution to this promblem? 9x+3y=-60 -9+y=76 help please??

asked by help on January 17, 2010

is the solution to 2x^2-4x+5... 1(+/-)((sqrt6)/2)i ??

asked by hannah on August 22, 2010
14. ## Calculus

show that y= x + e^x is a solution of dy/dx = y - x +1

asked by German on November 18, 2010
15. ## algebra

4 - 2y > 7 - 2y Can this be solved? I believe there is no solution

asked by Brandy on January 11, 2011
16. ## Algebra

For which equation is the solution 6? A. X + 6 =10 B. 4x =24 C. X - 6 =12 D. X/4 = 24

asked by Bianca milani on April 10, 2019
17. ## math

What is the solution of the equation 4t=64?

asked by Anonymous on September 18, 2014
18. ## algebra

solve y - 3 > - 13 the solution is {x|x > ?} A: {x|x > -10}

asked by Carmen on October 4, 2008
19. ## pre algebra

find the solution y = 2x - 1 and y = x +3

asked by steve on May 5, 2014
20. ## algebra

what is the solution of comparison of 2(x-y)=14 and x+2y=-2

asked by JJ-master on June 29, 2011
21. ## algebra

is there a solution to this problem.. x+3y=5(1) x+4-3x(2)

asked by at on January 24, 2010
22. ## algebra

Is (0,3) a solution of9x+8y=6

asked by carol on June 16, 2010
23. ## algebra 1

what is the smallest solution to 4(x -1) > 16

asked by jazz on November 6, 2010
24. ## Algebra2

Which expression gives the solution -5+2x^2=-6x?

asked by Steve on January 5, 2017
25. ## algebra

I do not think that this has a solution, is that correct? (y-3)/(y-6)=3/(y-6)

asked by C on July 1, 2008
26. ## math

what is the solution set of [x-2]

asked by Anonymous on December 30, 2012
27. ## Math

How do i do a solution for the problem.

asked by Becky on March 23, 2016
28. ## algebra

what is the solution of the system 9x+8y=21 x=13-6y

asked by Robert on January 23, 2010
29. ## algebra ll

Solve for f. (f - 12)2 = 25 A. f = 5 or f = −5 B. f = 12 or f = −12 C. f = 17 or f = 7 D. no solution

asked by leo on June 25, 2012
30. ## algebra

what is the solution of this problem 0.6x+8

asked by peaches on October 21, 2010
31. ## math

Which of the following inequalities has x > 4 as a solution? A: 6x < -24 B: x + 4 > 0 C:-5x + 2 < -18 D: 4x + 2 > 14

asked by Katherine on April 26, 2011
32. ## Math

solution to the equation x2 – 9x – 22 = 0?

asked by Deana on February 26, 2012
33. ## algebra 1 help

1)|J|/5+1=-4 a. no solution b. j=15 or -15 c. j=-25 d.j= -15 my answer is A 2) 1/6|4x-8|=6x a. x=-7, x=11 b. x=8/3, x=8/5 c. no solution d. x=-1/4, x=1/5 my answer is J

asked by hips on April 25, 2013
34. ## algebra

what is the solution 1/2x^2-x+5=0 could someone please explain

asked by Lee on November 3, 2012
35. ## Math

Simplfy the following (x^2-9x+9)-(-2x+4)+(6x^2-7x-5) solution: x^2-0 -x+2+ thats as far as I got

36. ## algebra

is -4 a solution of the inequality? x≥ 4

asked by Carly on February 24, 2011
37. ## algebra 2 quadratic inequalities

how would I find the solution to x/x+2 + 1/x-1 < 3/2

asked by raven on December 6, 2010
38. ## pre algebra

find the solution y = 4x and y + x = 5

asked by steve on May 5, 2014
39. ## math

-0.4x40} is this correct?

asked by jason on June 29, 2009
40. ## math

8x-(2x+5)=19 The solution is x=4 is this correct?

asked by jason on June 29, 2009

what is an example of a solid solution>?????

asked by marcus on August 20, 2008
42. ## Chemistry

What is the pH of a solution in which [H30+] = 1.2 x 10^-3 M? A)1.20 B)2.92 C)11.08 D)12.80 E)8.33 x 10-12

asked by jim on April 28, 2010
43. ## ALGEBRA PLS

is (0, 3) a solution to the equation y = x + 3? -Yes -No I think Yes.

asked by anonydingdong on September 15, 2015
44. ## algebra

What is the solution to the equation 1/x - 6/x^2 = -12 a. x= 3/4 or x= -2/3 b. x= 3/4 or x= 2/3 c. x= -3/4 or x= 2/3** d x= -3/4 or x= -2/3

asked by h on May 14, 2018
45. ## science

how can a solution be separated?

asked by bailey on October 5, 2008
46. ## Algebra

Do the equations x = 4y + 1 and x = 4y – 1 have the same solution?

asked by Cesar on July 5, 2012
47. ## Math

Which equation has no solution? a. 7v+2=8v-3 b. 3x-5=3x+8-x c. 4y+5=4y-6 d. 7z+6=-7z-5

asked by Kaai97 on October 13, 2015
48. ## math

desricbe the solution of x+1>x

asked by kattie on January 4, 2011
49. ## Math

Which equation has no solution? a. 3x-5=3x+8-x b. 4y+5=4y-6 c. 7z+6=-7z-5

asked by Kaai97 on October 12, 2015
50. ## Math

Find the solution. y = 4x & y + x = 5

asked by steve on May 5, 2014
51. ## Trigonometry

Solution for sin6xcos4x dx?

asked by Nikita on April 19, 2019
52. ## math

Is –4 a solution to the equation 8x – 6 + 3x = 5 + 2x – 10

asked by gavin on January 29, 2008
53. ## science

how does a solution form?

asked by dawn on February 18, 2010
54. ## algebra2

What is the solution set for |–2x + 16| – 9 = –3

asked by Rayniya on November 21, 2010
55. ## Math

Which of the following is a solution of the equation 5x + 4 = 14? A. 2 B. -2 C.3 D.1

asked by AbbyLovesMath on January 9, 2011
56. ## math

Please help me to answer.this with solution i need your help please! Thanks! 1) 5/18+2/9= 2) 3 (12/17)= 3) (2/7)÷(5/8)= 4) 3/7-5/9= 5) 12÷2/3= 6) 7/15÷2/3= 7) 3/5-10= 8) 4/15+7/9= 9) 12/21(-3)= 10) (2/5)(5/18)=

asked by mae on June 14, 2016
57. ## math

determine whether (-5,3) is a solution of 8x+3y=-1

asked by Katelynn Renee on February 17, 2010
58. ## algebra 116

the solution set for 9-24-64

asked by kisha on March 20, 2011
59. ## Math

What is the solution of this system? x+y+z=2 2x-y-z=7 3x+2y+z=6

asked by Alex on July 25, 2009
60. ## math

I need help please! What is the solution set? −2.8x+5.6

asked by faith on January 24, 2017
61. ## algebra

Solve. 8/w = 9/w - 1/2 The solution is:

asked by becky on February 12, 2008
62. ## Math

what is the solution set of : x^2 + 9 = 0

asked by Amy on October 8, 2007
63. ## Math

How to find the solution to (y-1)^2 = 9?

asked by Anonymous on February 7, 2014
64. ## algebra,math

which of the following is a solution for the ststem y = 3x + 5 and y = 2x + 5 a. (1, 7) b. (5, 0) c. (2, -1) d. ( 0, 5)

asked by tracy on October 25, 2011
65. ## Algebra 1

What is the solution? use elimination . 4x-y=23 7x-y=21

asked by Sierra Elizabeth on January 4, 2016
66. ## geometry

the solution set of x+1=x is

asked by LISA on September 22, 2011
67. ## math

Solve -0.6x < -24 x=-40 the solution is {x|

asked by DD on July 21, 2009
68. ## CHEMISTRY

what would be the overall charge in any IV solution? why

asked by KATHY on April 7, 2019
69. ## math

How do I solve x^2+2x+4>0 and what does the solution tell you?

asked by Anonymous on November 16, 2014
70. ## Algebra

What is the solution set for 0.5x+7 less than 1.3x-8

asked by Gary on January 2, 2011
71. ## math

Determine whether (-2,-1) is solution of 7x+6y=-3

asked by DD on July 20, 2009
72. ## algebra

a=3b for b The solution for a = b=3a did I do this backwards?

asked by algebra on September 11, 2009
73. ## Algebra

What is the value of x in the solution of this system? -3x-y+2z = 7 2y+z= -5 3x+6y= -21 4 2 1 3

asked by Mary on October 4, 2013
74. ## Math

For which system is (-2,-3) a solution? a) 4x+2y=7, x-y=-5 b) 3x=2y, x+y=5 c) x-y=1, 3x-2y=0 d) x-1=2y, 2x-y=-7

asked by Linda on July 25, 2009
75. ## math

How do you know if a value is a solution for an inequality?

asked by scooby9132002 on May 21, 2009
76. ## Algebra

is r=4 a solution of the equation 8+r^2=16

asked by Dee-Dee on September 18, 2007
77. ## Algebra

What is the solution to the proportion? 4/12=10/x x = 3 x = 3.3 x = 4.8 x = 30

asked by Sara on September 15, 2014
78. ## maths2

|10x - 1| = x - 10 A. -1, 1 B. 1 C. -1 D. No solution

asked by mdan on October 6, 2013
79. ## chemistry

WHAT PROPERTY OF SOLUTION IS DESCRIBED BY ITS pH?

asked by denis on November 8, 2011
80. ## Algebra 1

What is the solution of the system ?? 4x+3y= 12 7x+5y=26 a.(18,20) b.(18,-20) c.(-20,18) d.(20,18) is it c?

asked by Sierra Elizabeth on January 5, 2016
81. ## college algeb

asked by Denzel on October 14, 2015
82. ## Math

Please help! What is the solution of 5 - 2x is greater than -3 OR -3x + 9 is less than -6 Thank you

asked by Melinda on September 7, 2010
83. ## Mat 117

(x+5)(x-2)(x+1)>0 What is the solution set? Why am I not getting this at all?

asked by G on July 7, 2011
84. ## Math

please help!! which number is the solution of x/4=-5? a. 20 b. 1.25 c. -1.25 d. -20

asked by hannah on January 5, 2016
85. ## math

Which of the following inequalities has x>4 as a solution A: 6x < -24 B: x+4>0 C: -5x+2 14

asked by iliana on March 15, 2011
86. ## math

What is the solution to the following equation? 3x(x-4)+5=12

asked by charlie on May 31, 2015
87. ## Algebra

which of the following is a solution to the equation y = 3x - 1 4,1 2,5 4,3 0,-3

asked by Asking for a little help here... on September 8, 2017
88. ## Mat 116

What is the solution of the system 7r - 5s = 36 and 5r + 7s = 68

asked by Jennifer on May 30, 2012

90. ## algebra

Please help me figure this out: consider f(x) = -6x -1 and g (x) = 4x^2 solution for (f+g)(x)

91. ## Chemistry

How would you prepare 2.5 L of a 0.05 M solution of iron (III) chloride using iron (III) chloride hexahydrate Since 1 mol iron(III)chloride hexahydrate contains 1 mol iron(III) chloride, use the molar mass of the hexahydrate. M x L = grams/molar mass Solve

asked by MEl on May 2, 2007

solve the following inequality 70x-51

asked by Heather on November 20, 2012
93. ## math

In order for you to put down new sod in the front yard you will need 5400 pieces of sod. Each sod piece is cut into one foot squares. If your yard is 60ft wide , how long is the yard.?

asked by kelly on February 25, 2013
94. ## Algebra Word problem

I don't know how to put in a square root symbol here so know that it is over h. The equation D=1.2 square root h gives the distance D in miles that a person can see to the horizon from a height h in feet. Solve for h. Do I find the square root of 1.2?

asked by Marysvoice on January 29, 2008
95. ## Anonymous

Give the exact intersection point for the equations f(x)=4sin^2x+7sinx+6 and g(x)=2cos^2x-4sinx+11 Ok, my result is that there is no intersection point because if you put f(x)=g(x) and try to solve for x or the intersection point, the LS f(x) is not

asked by trig on May 8, 2009
96. ## Chem

The sodium sulfite-acid solution should be disposed of by ____________________. Question 5 options: 1) placing it in a designated waste container inside the fume hood. 2) reacting it with potassium permanganate before placing in a designated container

asked by Haley on February 8, 2017
97. ## Chemistry

The sodium sulfite-acid solution should be disposed of by ____________________. Answers Options: 1) washing down the drain with large amounts of water. 2) washing out with diluted sodium bicarbonate for sink disposal. 3) neutralizing the solution with

asked by Carley B. on February 8, 2017
98. ## chemistry

A domestic cleanser contains concentrated HCl as the active ingredient. A titration experiment was carried out to determine the concentration of HCl in the domestic cleanser. 20.0 ml of the cleanser were diluted to 250.0 ml with distilled water. 25.0 ml of

asked by henry39 on December 24, 2016
99. ## Science

1.)Check My Answers, please? Which of the following planets is considered a rocky, or terrestrial, planet? A.)Venus **** B.)Neptune C.)Saturn D.)Uranus 2.)Which of the following statements about the beginning of the solar system is true? A.)The planets

asked by YRN DJ on January 20, 2016
100. ## physics

Speakers A and B are vibrating in phase. They are directly facing each other, are 7.4 m apart, and are each playing a 72.0 Hz tone. The speed of sound is 343 m/s. On the line between the speakers there are three points where constructive interference

asked by Coreen on April 29, 2007